Parkland shooter trial: Defense details Nikolas Cruz's troubled past that left him 'damaged' prior to massacre

The lead attorney for confessed Parkland school shooter Nikolas Cruz told the jury in her opening statements on Monday that they have witnessed “things that will haunt them for the rest of their lives,” but they now need to learn what led him to massacre 17 people on Valentine's Day four years ago before they can decide whether to sentence him to death or life without parole.

Parkland school shooter trial: Prosecution rests after 3 weeks of graphic images, painful testimony

The prosecutor seeking to sentence Parkland school shooter Nikolas Cruz to death let the facts speak for themselves as he presented his case over the past three weeks, with terrifying witness accounts, heartbreaking testimonies from grieving parents, chilling surveillance videos, gruesome crime scene photos, and finally, having the jury walk through the school building where the shooting happened – dried pools of blood and Valentine's Day cards still clinging to the floors.

Jury in Parkland shooter trial gets rare look at bloodstained school building frozen in time

Jurors in the Parkland trial toured the school building where shooter Nikolas Cruz killed 17 students and staff members on Valentine's Day in 2018. Withered roses and an abandoned teddy bear lay in the hallway next to large pools of dried blood. Nothing had been changed, except for the removal of the victims' bodies, because it was considered a court exhibit.

Parkland school shooter's AR-15 rifle shown to jurors in penalty trial

Prosecutors in the penalty trial for Parkland school shooter Nikolas Cruz showed jurors photos of the horrific damage the high-speed bullets fired by his AR-15 style rifle did to some of his victims. They said they were showing the photos because they believe their graphic and horrific detail demonstrated the heinous, depraved and cruel nature of Cruz’s actions.